Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

How to use copy and concatenate commands in SQL?

Amdocs,

1088

How many columns can exist together per table?

Cap Gemini,

1118

What is the use of RDBMS?

Wipro,

969

Write a SQL query to make a column as unique?

Cap Gemini,

981

Explain few examples of RDBMS?

Wipro,

995

How many tables can be joined in SQL Server?

Cap Gemini,

1025

What is the name of the Database which IBM mainframe uses?

Wipro,

959

Explain the database you used in your final year project?

Wipro,

998

Write a SQL query to delete a table?

Amdocs,

1096

Explain the difference between HTTP and HTTPS in database?

Wipro,

994

How to automatically create a log when an exception is being received into SQL Server?

Cap Gemini,

1233

How to use clusters?

Amdocs,

901

What to check if a User database is locked?

TCS,

1032

Explain what is meant by replication of database?

Cap Gemini,

975

How to add additional conditions in SQL?

Amdocs,

987

Un-Answered Questions { Databases }

What should a dba know?

497

What are % type and % rowtype?

995

What Is Rdbms?

1104

what happens if null values are involved in expressions? : Sql dba

1016

What is trace flag in sql server?

994

what is the difference between char_length and length? : Sql dba

1011

What is oracle dba role?

537

What is the largest component of a database?

1237

Define object-oriented model.

973

State and explain the different types of data models?

912

Which normal form is best?

912

Which is the best institute in Hyderabad to learn OBIEE and DataStage?Please tell me faculty name also

2228

what is the role of dip user in our database?

2377

How does oracle handle read consistency?

1066

What is normalization and denormalization in sql server?

966

For More Un-Answered { Databases } Questions Click Here